AS5421 Sofia University "St. Kliment Ohridski" 🇧🇬 BG

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
3
9,728 (38 × /24)
IPv6 prefixes
3
4 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS5421
Name
Sofia University "St. Kliment Ohridski"
Organisation
Sofia University "St. Kliment Ohridski"
Country
🇧🇬 BG
RIR
RIPENCC
Allocated
1995-09-25

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

6 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS8717 A1 Bulgaria EAD 🇧🇬 BG 874 103 3 CAIDA
AS6802 Bulgarian Research and Education Network Association (BREN) 🇧🇬 BG 9 54 242 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

No downstreams observed at the collectors.

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.